<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Konversi Kode HTML</title>
<style type="text/css">
        body {
                background-color:#333;
                padding:20px;
                font:normal 11px Tahoma,Verdana,Arial,Sans-Serif;
                color:#999;
        }

        p {margin-top:20px;}
        code {color:#aa2;}
        
        #codes {
                border:none;
                width:98%;
                height:200px;
                margin:10px auto 10px;
                display:block;
                background-color:#444;
                padding:5px;
                font:normal 12px 'Courier New',Monospace;
        }
        
        #codes:focus {background-color:#3c3c3c;color:white;}

        .button-group {
                margin:0px auto 0px;
                text-align:center;
        }
        
        button,button[disabled]:active {
                background-color:#3c3c3c;
                font:bold 11px Tahoma,Verdana,Arial,Sans-Serif;
                color:#999;
                padding:5px 10px;
                border:none;
                -webkit-border-radius:3px;
                -moz-border-radius:3px;
                border-radius:3px;
                cursor:pointer;
        }
        
        button:active {background-color:white;color:black;}
        button[disabled],button[disabled]:active {opacity:0.4;cursor:default;}

        #opt1,
        #opt2,
        #opt3,
        #opt4,
        #opt5 {
                display:inline-block;
                margin:0px 10px 0px 0px;
                vertical-align:middle;
                border:none;
                outline:none;
        }
</style>
</head>
<body>
<textarea spellcheck="false" id="codes" placeholder="Tulis/paste kode di sini lalu klik 'Konversi'"></textarea>
<div class="button-group">
<button id="cvrt" onclick="cdConvert();this.disabled = true;">Konversi</button>
<button onclick="cdClear();">Bersihkan</button>
</div>
<p>
<input checked="true" id="opt1" type="checkbox" />Konversi <code>&amp;</code> menjadi <code>&amp;amp;</code><br />
<input id="opt2" type="checkbox" />Konversi <code>&#39;</code> menjadi <code>&amp;#039;</code><br />
<input id="opt3" type="checkbox" />Konversi <code>&quot;</code> menjadi <code>&amp;quot;</code><br />
<input checked="true" id="opt4" type="checkbox" />Konversi <code>&lt;</code> menjadi <code>&amp;lt;</code><br />
<input checked="true" id="opt5" type="checkbox" />Konversi <code>&gt;</code> menjadi <code>&amp;gt;</code>
</p>
<script type="text/javascript">
function cdClear() {
    var wtarea = document.getElementById('codes');
    wtarea.value = '';
    wtarea.focus();
    document.getElementById('cvrt').disabled = false;
}
function cdConvert() {
    var ctarea = document.getElementById('codes'),
        cv = ctarea.value,
        opt1 = document.getElementById('opt1'),
        opt2 = document.getElementById('opt2'),
        opt3 = document.getElementById('opt3'),
        opt4 = document.getElementById('opt4'),
        opt5 = document.getElementById('opt5');
    cv = cv.replace(/\t/g, "    ");
    if (opt1.checked) cv = cv.replace(/&/g, "&amp;");
    if (opt2.checked) cv = cv.replace(/'/g, "&#039;");
    if (opt3.checked) cv = cv.replace(/"/g, "&quot;");
    if (opt4.checked) cv = cv.replace(/</g, "&lt;");
    if (opt5.checked) cv = cv.replace(/>/g, "&gt;");
    if (cv.lastIndexOf('\n') != -1 || cv.length > 40) {
        cv = cv.replace(/^/, "<i rel=\"pre\">");
    } else {
        cv = cv.replace(/^/, "<i rel=\"code\">");
    }
    cv = cv.replace(/$/, "</i>");
    ctarea.value = cv;
    ctarea.focus();
    ctarea.select();
};
</script>
</body>
</html>